Hobbypower Multi-rotor Flight Controller CC3D 32Bits FC & Protect Case QAV250 F550 F450 an all-in-one stabilization hardware which runs the OpenPilot firmware. It can fly any airframe from fixed wing to an octocopter and is configured and monitored using the OpenPilot Ground Control Station (GCS) software. Powerful STM32 32-bit microcontroller running at 90MIPs with 128KB Flash and 20KB RAM 3-axis high-performance MEMs gyros and 3-axis high-performance MEMs accelerometer Tiny 36mmx36mm 4 layer PCB for superior electrical noise reduction and flight performance. CC3D OpenPilot Open Source FC with protect case